<template>
	<view
		class="u-th"
		:style="[thStyle]"
	>
		<slot />
	</view>
</template>

<script>
/**
	 * th th单元格
	 * @description 表格组件一般用于展示大量结构化数据的场景（搭配u-table使用）
	 * @tutorial https://www.uviewui.com/components/table.html#td-props
	 * @property {String Number} width 标题单元格宽度百分比或者具体带单位的值，如30%，200rpx等，一般使用百分比，单元格宽度默认为均分tr的长度
	 * @example 暂无示例
	 */
export default {
  name: 'u-th',
  props: {
    // 宽度，百分比或者具体带单位的值，如30%， 200rpx等，一般使用百分比
    width: {
      type: [Number, String],
      default: ''
    }
  },
  data() {
    return {
      thStyle: {}
    }
  },
  created() {
    this.parent = false
  },
  mounted() {
    this.parent = this.$u.$parent.call(this, 'u-table')
    if (this.parent) {
      // 将父组件的相关参数，合并到本组件
      const style = {}

      if (this.width) style.flex = `0 0 ${ this.width }`
      style.textAlign = this.parent.align
      style.padding = this.parent.padding
      style.borderBottom = `solid 1px ${ this.parent.borderColor }`
      style.borderRight = `solid 1px ${ this.parent.borderColor }`
      Object.assign(style, this.parent.style)
      this.thStyle = style
    }
  }
}
</script>

<style lang="scss" scoped>
	@import "../../libs/css/style.components.scss";

	.u-th {
		@include vue-flex;
		flex-direction: column;
		flex: 1;
		justify-content: center;
		font-size: 28rpx;
		color: $u-main-color;
		font-weight: bold;
		background-color: rgb(245, 246, 248);
	}
</style>
